A guide to the colours used under the outline sections of the route guide pages. See Help:Routeboxes for help creating a routebox.
|- proposed primary road (or primary road under construction) or unbuilt primary road
|- proposed non primary road (or non primary road under construction)
|- motorway (or a-road under motorway regulations)
|- unbuilt motorway or section of a motorway
|- proposed motorway (or motorway under construction)
|- former motorway or section of a motorway